Seated shower base



FIG. 1 is a top, front and right side perspective view of a seated shower base showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a front, top and left side perspective view of an embodiment which is a mirror image thereof.

The front elevation, left side elevation and top plan of FIG. 5 are mirror images of FIGS. 2, 3 and 4 .

The rear elevation, left side elevation and bottom of FIG. 1 are without design features, are hidden in normal use, and form no part of the claimed design. 

The ornamental design for a seated shower base, as shown and described. 